GBP/GB
Find cheap flights to San Juan, Puerto Rico in 2025/2026 from £366 This is the cheapest return flight found to San Juan, Puerto Rico from UK on FlightsFinder on December 12th 2025 at 21:07. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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Our Flight Finder compares the cheapest flights to San Juan, Puerto Rico from the most established flight comparison sites.
Fly to San Juan, Puerto Rico and visit sites like Castillo San Felipe del Morro, Castillo de San Cristóbal, La Fortaleza & San Juan Bautista Cathedral.
1. Enter your search requirements for San Juan, Puerto Rico
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These economy flights were found on FlightsFinder from UK to San Juan, Puerto Rico in the last few days. Prices subject to availability.
These economy flights were found on FlightsFinder from UK to San Juan, Puerto Rico in the last few days. Prices subject to availability.
According to our data, January is on average the cheapest time to book flights to San Juan, Puerto Rico.
You can get flights from £366 return.
According to our data, July is on average the most expensive time to book flights to San Juan, Puerto Rico.
A return flight could set you back more than £691.
Located on the northeastern coast of Puerto Rico, San Juan is a captivating blend of rich history, vibrant culture, and stunning natural beauty. The city's historic Old San Juan district is a UNESCO World Heritage Site, featuring colorful colonial buildings, cobblestone streets, and historic forts overlooking the sparkling Caribbean Sea. Visitors can explore the city's lively plazas, experience the lively music and dance of salsa, and indulge in delicious local cuisine. Whether wandering through the charming streets or relaxing on the pristine beaches, San Juan offers a captivating mix of old-world charm and modern excitement.
A good price for a flight to San Juan is £329 - £403.
The popular airports near San Juan, Puerto Rico are Luis Muñoz Marín International Airport (SJU) and Rafael Hernández Airport (BQN).
The flight to San Juan, Puerto Rico (SJU) is roughly 9 hours 47 minutes and 4,182 miles (6,730 kilometres) from London, England UK - Heathrow International Airport (LHR).
The best way is to compare flights to San Juan, Puerto Rico from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to San Juan, Puerto Rico.
Here is the average weather forecast in San Juan, Puerto Rico by month:
• Jan: 28°C
• Feb: 29°C
• Mar: 29°C
• Apr: 30°C
• May: 31°C
• Jun: 32°C
• Jul: 32°C
• Aug: 32°C
• Sep: 32°C
• Oct: 31°C
• Nov: 30°C
• Dec: 29°C
The main airport in San Juan, Puerto Rico, Luis Muñoz Marín International Airport, is located approximately 9 miles (14 kilometers) from the city center.
Typically, flights are cheapest to San Juan, Puerto Rico 2 months before departure.
Studies show flights to San Juan, Puerto Rico are typically cheaper on Tuesdays and Wednesdays.
25.1 °C
Sat, 13 Dec 2025
Average Temperature
28°C
Jan
29°C
Feb
29°C
Mar
30°C
Apr
31°C
May
32°C
Jun
32°C
Jul
32°C
Aug
32°C
Sep
31°C
Oct
30°C
Nov
29°C
Dec
London, England UK - Heathrow International Airport (LHR) to San Juan, Puerto Rico (SJU)
Distance:
4,182 miles (6,730 kilometres)
Average flight time (direct 9 hours 47 minutes)
London, England UK - London Gatwick International Airport (LGW) to San Juan, Puerto Rico (SJU)
Distance:
4,190 miles (6,744 kilometres)
Average flight time (direct 9 hours 48 minutes)
Manchester, England UK - Manchester Airport (MAN) to San Juan, Puerto Rico (SJU)
Distance:
4,125 miles (6,639 kilometres)
Average flight time (direct 9 hours 40 minutes)
London, England UK - London North East - Stansted International Airport (STN) to San Juan, Puerto Rico (SJU)
Distance:
4,215 miles (6,783 kilometres)
Average flight time (direct 9 hours 51 minutes)
London, England UK - London North, Luton International Airport (LTN) to San Juan, Puerto Rico (SJU)
Distance:
4,189 miles (6,742 kilometres)
Average flight time (direct 9 hours 48 minutes)
Edinburgh, Scotland UK - Airport (EDI) to San Juan, Puerto Rico (SJU)
Distance:
4,117 miles (6,625 kilometres)
Average flight time (direct 9 hours 38 minutes)
Birmingham, England UK - Birmingham Airport (BHX) to San Juan, Puerto Rico (SJU)
Distance:
4,137 miles (6,658 kilometres)
Average flight time (direct 9 hours 41 minutes)
Bristol, UK - Bristol Airport (BRS) to San Juan, Puerto Rico (SJU)
Distance:
4,084 miles (6,573 kilometres)
Average flight time (direct 9 hours 34 minutes)
Glasgow, Scotland UK - Glasgow International Airport (GLA) to San Juan, Puerto Rico (SJU)
Distance:
4,076 miles (6,559 kilometres)
Average flight time (direct 9 hours 33 minutes)
Belfast, Ireland UK - Belfast International Airport (BFS) to San Juan, Puerto Rico (SJU)
Distance:
3,988 miles (6,417 kilometres)
Average flight time (direct 9 hours 21 minutes)
Newcastle, UK - Newcastle International Airport (NCL) to San Juan, Puerto Rico (SJU)
Distance:
4,169 miles (6,709 kilometres)
Average flight time (direct 9 hours 45 minutes)
London, England UK - Royal Docks - London City Airport (LCY) to San Juan, Puerto Rico (SJU)
Distance:
4,204 miles (6,766 kilometres)
Average flight time (direct 9 hours 50 minutes)
Liverpool, UK - John Lennon Airport (LPL) to San Juan, Puerto Rico (SJU)
Distance:
4,102 miles (6,601 kilometres)
Average flight time (direct 9 hours 36 minutes)
Nottingham, UK - East Midlands Airport (EMA) to San Juan, Puerto Rico (SJU)
Distance:
4,158 miles (6,692 kilometres)
Average flight time (direct 9 hours 44 minutes)
Leeds, UK - Leeds/Bradford Airport (LBA) to San Juan, Puerto Rico (SJU)
Distance:
4,156 miles (6,689 kilometres)
Average flight time (direct 9 hours 44 minutes)
Aberdeen, Scotland UK - Dyce Airport (ABZ) to San Juan, Puerto Rico (SJU)
Distance:
4,179 miles (6,725 kilometres)
Average flight time (direct 9 hours 47 minutes)
Belfast, Ireland UK - George Best City Apt Airport (BHD) to San Juan, Puerto Rico (SJU)
Distance:
4,000 miles (6,438 kilometres)
Average flight time (direct 9 hours 23 minutes)
London, England UK - London South, Southend Airport (SEN) to San Juan, Puerto Rico (SJU)
Distance:
4,232 miles (6,810 kilometres)
Average flight time (direct 9 hours 54 minutes)
Southampton, UK - Southampton Airport (SOU) to San Juan, Puerto Rico (SJU)
Distance:
4,138 miles (6,660 kilometres)
Average flight time (direct 9 hours 41 minutes)
Jersey, UK - Jersey Airport (JER) to San Juan, Puerto Rico (SJU)
Distance:
4,086 miles (6,575 kilometres)
Average flight time (direct 9 hours 34 minutes)
Cardiff, Wales - UK - Cardiff Airport (CWL) to San Juan, Puerto Rico (SJU)
Distance:
4,058 miles (6,531 kilometres)
Average flight time (direct 9 hours 31 minutes)
Doncaster, UK - Sheffield/ Robin Hood Airport (DSA) to San Juan, Puerto Rico (SJU)
Distance:
4,178 miles (6,724 kilometres)
Average flight time (direct 9 hours 47 minutes)
From London (LHR), UK to San Juan, Puerto Rico (SJU): £366
Depart: 23 Jan 2026 · Return: 30 Jan 2026 Price found 12 Dec 2025, 21:07
From Manchester (MAN), UK to San Juan, Puerto Rico (SJU): £509
Depart: 27 Jan 2026 · Return: 04 Feb 2026 Price found 12 Dec 2025, 19:08
From Edinburgh (EDI), UK to San Juan, Puerto Rico (SJU): £516
Depart: 29 Jan 2026 · Return: 02 Feb 2026 Price found 09 Dec 2025, 17:43
From Birmingham (BHX), UK to San Juan, Puerto Rico (SJU): £529
Depart: 27 Jan 2026 · Return: 04 Feb 2026 Price found 12 Dec 2025, 19:09
From Glasgow (GLA), UK to San Juan, Puerto Rico (SJU): £544
Depart: 11 Feb 2026 · Return: 24 Feb 2026 Price found 12 Dec 2025, 19:45
From Bristol (BRS), UK to San Juan, Puerto Rico (SJU): £569
Depart: 09 Feb 2026 · Return: 15 Feb 2026 Price found 09 Dec 2025, 23:01
From Belfast (BFS), UK to San Juan, Puerto Rico (SJU): £613
Depart: 29 Apr 2026 · Return: 06 May 2026 Price found 10 Dec 2025, 22:41
From Newcastle (NCL), UK to San Juan, Puerto Rico (SJU): £616
Depart: 20 Feb 2026 · Return: 07 Mar 2026 Price found 12 Dec 2025, 08:52
From Nottingham (EMA), UK to San Juan, Puerto Rico (SJU): £622
Depart: 25 Jan 2026 · Return: 07 Feb 2026 Price found 12 Dec 2025, 15:31
From Liverpool (LPL), UK to San Juan, Puerto Rico (SJU): £628
Depart: 09 Jan 2026 · Return: 16 Jan 2026 Price found 10 Dec 2025, 12:19
From Leeds (LBA), UK to San Juan, Puerto Rico (SJU): £628
Depart: 01 Mar 2026 · Return: 08 Mar 2026 Price found 12 Dec 2025, 06:09
From Aberdeen (ABZ), UK to San Juan, Puerto Rico (SJU): £668
Depart: 20 Mar 2026 · Return: 30 Mar 2026 Price found 12 Dec 2025, 16:10
From Southampton (SOU), UK to San Juan, Puerto Rico (SJU): £837
Depart: 07 May 2026 · Return: 16 May 2026 Price found 09 Dec 2025, 21:36
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